n | a(n) |
---|---|
1 | 3 |
2 | 12 |
3 | 42 |
4 | 144 |
5 | 728 |
6 | 2688 |
7 | 10080 |
8 | 39312 |
9 | 127008 |
10 | 423360 |
11 | 2419200 |
12 | 6773760 |
13 | 32140800 |
14 | 160704000 |
15 | 626745600 |
16 | 1940889600 |
17 | 9289728000 |
18 | 38397542400 |
19 | 156332851200 |
20 | 642477588480 |
21 | 2223960883200 |
22 | 8154523238400 |
23 | 36280077926400 |
[3,12,42,144,728,2688,10080,39312,127008,423360, 2419200,6773760,32140800,160704000,626745600, 1940889600,9289728000,38397542400,156332851200, 642477588480,2223960883200,8154523238400, 36280077926400] |